Print Back

Lanmar PTFE coated fiberglass tape combines the strength of a woven fiberglass backing with the non-stick, heat-resistant performance of PTFE. The result is a high-performance adhesive tape that maintains release, durability, and surface consistency in conditions where standard tapes fail.

Choose the Right Adhesive System for Your Temperature Range

Silicone adhesive (up to 500°F / 260°C)

Best for heat sealing equipment, packaging machinery, and high-temperature industrial processes where maximum heat resistance and long service life are required.

Acrylic adhesive (up to 350°F / 177°C)

A cost-effective option for moderate-temperature applications that still require reliable release, reduced friction, and dependable adhesion.

Both adhesive systems are available with or without a release liner (self-wound). Lanmar Premium Grade PTFE tapes feature a smooth, consistent surface finish with enhanced tensile strength, dimensional stability, and extended wear life ideal for heat sealing jaws and platens where surface quality impacts seal performance.

Common Applications

  • Heat sealing and packaging equipment (jaw covers, bar covers, platen liners)

  • Food processing conveyors and non-stick surfaces

  • Screen printing platens and release surfaces

  • Anti-friction guides, chutes, and wear surfaces

  • Mold release layers for composites manufacturing

  • Wire harness protection in aerospace and automotive assemblies

PTFE coated fiberglass tape is FDA-compliant for food contact applications. All rolls are available custom-slit to your required widths, and we can cross-reference many 3M 5151, Taconic, Saint-Gobain, and CS Hyde part numbers send your current spec for a direct match.

TAPES
Unit of Measure
1 2 

Item #

Tape Thickness Backing

Tape Thickness Total

Adhesion

Break Strength

Dielectric Strength

Insulation Class

Adhesive Type

Release Liner

Temperature

645-0 N/A .010 " N/A .012 " N/A 55 oz/in N/A 310/200 lb/in N/A 9500 V N/A - N/A Silicone N/A No N/A -100 to +500 ºF
645-14 N/A .014 " N/A .017 " N/A 55 oz/in N/A 500/285 lb/in N/A 10500 V N/A - N/A Silicone N/A No N/A -100 to +500 ºF
642-3 N/A .003 " N/A .005 " N/A 45 oz/in N/A 90/65 lb/in N/A 5000 V N/A - N/A Acrylic N/A No N/A -40 to +350 ºF
642-5 N/A .0045 " N/A .0067 " N/A 55 oz/in N/A 180/160 lb/in N/A 6000 V N/A - N/A Acrylic N/A No N/A -40 to +350 ºF
642-6 N/A .0055 " N/A .0075 " N/A 60 oz/in N/A 185/170 lb/in N/A 8000 V N/A - N/A Acrylic N/A No N/A -40 to +350 ºF
642-0 N/A .009 " N/A .011 " N/A 80 oz/in N/A 310/200 lb/in N/A 8500 V N/A - N/A Acrylic N/A No N/A -40 to +350 ºF
642-14 N/A .0135 " N/A .0155 " N/A 95 oz/in N/A 500/285 lb/in N/A 9000 V N/A - N/A Acrylic N/A No N/A -40 to +350 ºF
Unit of Measure
1 2